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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 615 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For the number ab: right column = b². Middle column = 2 × a × b. Left column = a². Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.21² =
  2. 2.89² =
  3. 3.39² =
  4. 4.75² =
  5. 5.54² =
  6. 6.82² =
  7. 7.87² =
  8. 8.67² =
  9. 9.25² =
  10. 10.33² =
  11. 11.66² =
  12. 12.82² =
  13. 13.33² =
  14. 14.44² =
  15. 15.49² =
  16. 16.41² =
  17. 17.75² =
  18. 18.65² =
  19. 19.13² =
  20. 20.44² =
  21. 21.81² =
  22. 22.65² =
  23. 23.29² =
  24. 24.78² =
  25. 25.21² =
  26. 26.64² =
  27. 27.89² =
  28. 28.81² =
  29. 29.57² =
  30. 30.83² =
  31. 31.91² =
  32. 32.74² =
  33. 33.66² =
  34. 34.74² =
  35. 35.65² =
  36. 36.95² =
  37. 37.34² =
  38. 38.82² =
  39. 39.38² =
  40. 40.45² =

Answer key

  1. 441
  2. 7921
  3. 1521
  4. 5625
  5. 2916
  6. 6724
  7. 7569
  8. 4489
  9. 625
  10. 1089
  11. 4356
  12. 6724
  13. 1089
  14. 1936
  15. 2401
  16. 1681
  17. 5625
  18. 4225
  19. 169
  20. 1936
  21. 6561
  22. 4225
  23. 841
  24. 6084
  25. 441
  26. 4096
  27. 7921
  28. 6561
  29. 3249
  30. 6889
  31. 8281
  32. 5476
  33. 4356
  34. 5476
  35. 4225
  36. 9025
  37. 1156
  38. 6724
  39. 1444
  40. 2025

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